Patent holdings for IPC class B01J 23/89

Total number of patents in this class: 1688

10-year publication summary

143
157
142
131
103
105
91
95
101
39
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Johnson Matthey Public Limited Company
1852
49
Sasol Technology (Proprietary) Limited
250
31
BASF SE
19740
30
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13301
30
Nissan Motor Co., Ltd.
12249
29
BASF Corporation
2039
28
China Petroleum & Chemical Corporation
1623
27
IFP Energies Nouvelles
2717
27
Celanese International Corporation
879
24
Umicore AG & Co. KG
867
22
Chevron U.S.A. Inc.
3774
19
Saudi Arabian Oil Company
11322
19
Toyota Motor Corporation
28582
17
Mitsui Mining & Smelting Co., Ltd.
1373
17
Cataler Corporation
533
16
Nisshinbo Holdings Inc.
333
15
Archer Daniels Midland Company
1164
14
SABIC Global Technologies B.V.
4044
14
Dow Global Technologies LLC
10147
12
Daihatsu Motor Co., Ltd.
154
12
Other owners 1236